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ACCOUNTS RECEIVABLE AND ALLOWANCE FOR DOUBTFUL ACCOUNTS
9 Months Ended
Sep. 30, 2017
Receivables [Abstract]  
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
NOTE 7 – ACCOUNTS RECEIVABLE AND ALLOWANCE FOR DOUBTFUL ACCOUNTS
 
Accounts receivable - net consists of:
 
 
 
September 30, 2017
 
December 31, 2016
 
Accounts receivable
 
$
11,067,000
 
$
7,991,000
 
Allowance for doubtful accounts
 
 
(73,000)
 
 
(85,000)
 
 
 
$
10,994,000
 
$
7,906,000